/* ========================================
   KSTUDIO — Event Landing Page
   Design System & Styles
   ======================================== */

/* ---------- Brand Font ---------- */
@font-face {
  font-family: 'Virgo Delight';
  src: url('Virgo Delight.otf') format('opentype');
  font-weight: normal;
  font-style: normal;
  font-display: swap;
}

/* ---------- Google Fonts ---------- */
@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;0,500;0,600;0,700;1,300;1,400&family=Inter:wght@300;400;500;600&display=swap');

/* ---------- CSS Custom Properties ---------- */
:root {
  /* Brand Colors */
  --rosso: #3e161a;
  --rosa: #e49dbf;
  --nero: #010000;

  /* Extended Palette */
  --cream: #f5f0eb;
  --cream-soft: #ede6df;
  --gold: #c9a96e;
  --white: #ffffff;
  --white-alpha-80: rgba(255, 255, 255, 0.80);
  --white-alpha-60: rgba(255, 255, 255, 0.60);
  --white-alpha-10: rgba(255, 255, 255, 0.10);
  --rosso-light: #5a2329;
  --rosso-glow: rgba(62, 22, 26, 0.4);

  /* Typography */
  --font-display: 'Cormorant Garamond', 'Georgia', serif;
  --font-body: 'Inter', 'Helvetica Neue', sans-serif;

  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --space-2xl: 6rem;

  /* Transitions */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: 0.2s var(--ease-out);
  --transition-base: 0.4s var(--ease-out);
  --transition-slow: 0.8s var(--ease-out);
}

/* ---------- Reset & Base ---------- */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  background-color: var(--nero);
  color: var(--cream);
  min-height: 100vh;
  overflow-x: hidden;
  line-height: 1.6;
}

/* ---------- Background Gradient ---------- */
.page-bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(ellipse 80% 60% at 50% 0%, var(--rosso-glow), transparent 70%),
    radial-gradient(ellipse 60% 50% at 80% 100%, rgba(228, 157, 191, 0.06), transparent 60%),
    var(--nero);
}

/* ---------- Sparkle Decorations ---------- */
.sparkle {
  position: absolute;
  width: 20px;
  height: 20px;
  pointer-events: none;
}

.sparkle::before,
.sparkle::after {
  content: '';
  position: absolute;
  background: var(--rosa);
  border-radius: 1px;
}

.sparkle::before {
  width: 2px;
  height: 100%;
  left: 50%;
  transform: translateX(-50%);
}

.sparkle::after {
  width: 100%;
  height: 2px;
  top: 50%;
  transform: translateY(-50%);
}

.sparkle-1 {
  top: 15%;
  left: 12%;
  opacity: 0.4;
  animation: sparkle-pulse 3s ease-in-out infinite;
}

.sparkle-2 {
  top: 8%;
  right: 15%;
  opacity: 0.3;
  animation: sparkle-pulse 3s ease-in-out 1s infinite;
  transform: scale(0.7) rotate(45deg);
}

.sparkle-3 {
  bottom: 30%;
  left: 8%;
  opacity: 0.25;
  animation: sparkle-pulse 3s ease-in-out 2s infinite;
  transform: scale(0.5);
}

.sparkle-4 {
  top: 40%;
  right: 10%;
  opacity: 0.2;
  animation: sparkle-pulse 3s ease-in-out 0.5s infinite;
  transform: scale(0.6) rotate(20deg);
}

@keyframes sparkle-pulse {
  0%, 100% { opacity: 0.15; transform: scale(0.8); }
  50% { opacity: 0.5; transform: scale(1.1); }
}

/* ---------- Layout ---------- */
.container {
  width: 100%;
  max-width: 600px;
  margin: 0 auto;
  padding: 0 var(--space-md);
  text-align: center;
}

.page-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: var(--space-xl) 0;
  position: relative;
}

/* ---------- Header / Logo ---------- */
.brand {
  text-align: center;
  margin-bottom: var(--space-lg);
  animation: fadeInDown 1s var(--ease-out) both;
}

.brand-logo {
  max-width: 320px;
  width: 80%;
  height: auto;
  margin: 0 auto var(--space-xs);
  display: block;
  /* Invert dark logo to cream for dark background */
  filter: brightness(0) invert(1) sepia(0.08) saturate(0.5);
}

.brand-name {
  font-family: 'Virgo Delight', var(--font-display);
  font-size: clamp(3rem, 8vw, 4.8rem);
  font-weight: normal;
  letter-spacing: 0.15em;
  color: var(--cream);
  line-height: 1;
  margin-bottom: 0.15em;
}

.brand-tagline {
  font-family: var(--font-display);
  font-size: clamp(0.85rem, 2.2vw, 1.1rem);
  font-weight: 300;
  letter-spacing: 0.35em;
  color: var(--rosa);
  text-transform: uppercase;
}

/* ---------- Divider ---------- */
.divider {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin: var(--space-md) 0;
  animation: fadeIn 1s var(--ease-out) 0.3s both;
}

.divider-line {
  width: 60px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--rosa), transparent);
}

.divider-star {
  color: var(--rosa);
  font-size: 0.65rem;
  opacity: 0.8;
}

/* ---------- Event Info ---------- */
.event-info {
  text-align: center;
  margin-bottom: var(--space-lg);
  animation: fadeInUp 1s var(--ease-out) 0.4s both;
}

.event-title {
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 3vw, 1.4rem);
  font-weight: 400;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--cream);
  margin-bottom: var(--space-sm);
  line-height: 1.5;
}

.event-title em {
  font-style: italic;
  color: var(--rosa);
  display: block;
  font-size: 1.15em;
  letter-spacing: 0.08em;
}

.event-details {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  align-items: center;
}

.event-detail {
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 300;
  letter-spacing: 0.1em;
  color: var(--white-alpha-60);
  text-transform: uppercase;
}

.event-detail.highlight {
  color: var(--cream);
  font-weight: 400;
  font-size: 0.95rem;
}

.event-location {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 400;
  color: var(--cream);
  margin-top: 0.3rem;
  font-style: italic;
}

.event-location-sub {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 300;
  letter-spacing: 0.08em;
  color: var(--white-alpha-60);
  text-transform: uppercase;
}

/* ---------- Registration Form ---------- */
.form-section {
  width: 100%;
  animation: fadeInUp 1s var(--ease-out) 0.6s both;
}

.form-card {
  background: rgba(62, 22, 26, 0.15);
  border: 1px solid rgba(228, 157, 191, 0.1);
  border-radius: 16px;
  padding: var(--space-lg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  position: relative;
  overflow: hidden;
}

.form-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--rosa), transparent);
  opacity: 0.3;
}

.form-heading {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  text-align: center;
  color: var(--cream);
  margin-bottom: var(--space-md);
  text-transform: uppercase;
}

.form-group {
  margin-bottom: var(--space-md);
  text-align: left;
}

.form-label {
  display: block;
  font-family: var(--font-body);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--white-alpha-60);
  margin-bottom: 0.5rem;
}

.form-input,
.form-select {
  width: 100%;
  padding: 0.9rem 1.1rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(228, 157, 191, 0.15);
  border-radius: 10px;
  color: var(--cream);
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 300;
  transition: all var(--transition-fast);
  outline: none;
  -webkit-appearance: none;
  appearance: none;
}

.form-input::placeholder {
  color: rgba(255, 255, 255, 0.25);
  font-weight: 300;
}

.form-input:focus,
.form-select:focus {
  border-color: var(--rosa);
  background: rgba(228, 157, 191, 0.06);
  box-shadow: 0 0 0 3px rgba(228, 157, 191, 0.08);
}

.form-select {
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' fill='none'%3E%3Cpath d='M1 1.5l5 5 5-5' stroke='%23e49dbf' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}

.form-select option {
  background: var(--nero);
  color: var(--cream);
}

/* Name field row */
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-sm);
}

/* Submit Button */
.btn-submit {
  width: 100%;
  padding: 1rem;
  background: var(--rosso);
  border: 1px solid rgba(228, 157, 191, 0.2);
  border-radius: 10px;
  color: var(--cream);
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
  margin-top: var(--space-xs);
}

.btn-submit::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(228, 157, 191, 0.15), transparent);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.btn-submit:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(62, 22, 26, 0.5);
  border-color: var(--rosa);
}

.btn-submit:hover::before {
  opacity: 1;
}

.btn-submit:active {
  transform: translateY(0);
}

.btn-submit:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

/* ---------- Spots Counter ---------- */
.spots-counter {
  text-align: center;
  margin-top: var(--space-md);
  animation: fadeIn 1s var(--ease-out) 0.8s both;
}

.spots-bar-track {
  width: 100%;
  max-width: 300px;
  height: 3px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 2px;
  margin: 0.6rem auto 0;
  overflow: hidden;
}

.spots-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--rosso), var(--rosa));
  border-radius: 2px;
  transition: width 1s var(--ease-out);
}

.spots-text {
  font-family: var(--font-body);
  font-size: 0.72rem;
  font-weight: 400;
  letter-spacing: 0.12em;
  color: var(--white-alpha-60);
  text-transform: uppercase;
}

.spots-number {
  color: var(--rosa);
  font-weight: 600;
}

/* ---------- Success State ---------- */
.success-message {
  display: none;
  text-align: center;
  padding: var(--space-lg);
  animation: fadeInScale 0.6s var(--ease-out) both;
}

.success-message.visible {
  display: block;
}

.success-icon {
  width: 64px;
  height: 64px;
  border: 2px solid var(--rosa);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-md);
  animation: checkmark-pop 0.6s var(--ease-out) 0.2s both;
}

.success-icon svg {
  width: 28px;
  height: 28px;
  stroke: var(--rosa);
  stroke-width: 2.5;
  fill: none;
  stroke-dasharray: 40;
  stroke-dashoffset: 40;
  animation: checkmark-draw 0.5s var(--ease-out) 0.5s forwards;
}

@keyframes checkmark-draw {
  to { stroke-dashoffset: 0; }
}

@keyframes checkmark-pop {
  0% { transform: scale(0.5); opacity: 0; }
  100% { transform: scale(1); opacity: 1; }
}

.success-title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  color: var(--cream);
  margin-bottom: 0.5rem;
  text-transform: uppercase;
}

.success-text {
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 300;
  color: var(--white-alpha-60);
  line-height: 1.7;
}

/* ---------- Error State ---------- */
.form-error {
  display: none;
  font-family: var(--font-body);
  font-size: 0.75rem;
  color: #e4677a;
  margin-top: 0.3rem;
  letter-spacing: 0.03em;
}

.form-error.visible {
  display: block;
  animation: fadeIn 0.3s var(--ease-out);
}

.form-input.error,
.form-select.error {
  border-color: #e4677a;
}

/* Sold out state */
.sold-out-message {
  display: none;
  text-align: center;
  padding: var(--space-lg);
}

.sold-out-message.visible {
  display: block;
  animation: fadeIn 0.5s var(--ease-out);
}

.sold-out-title {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  color: var(--rosa);
  margin-bottom: 0.5rem;
  text-transform: uppercase;
}

.sold-out-text {
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 300;
  color: var(--white-alpha-60);
}

/* ---------- Footer ---------- */
.footer {
  text-align: center;
  padding: var(--space-lg) 0 var(--space-md);
  animation: fadeIn 1s var(--ease-out) 1s both;
}

.footer-text {
  font-family: var(--font-body);
  font-size: 0.65rem;
  font-weight: 300;
  letter-spacing: 0.15em;
  color: rgba(255, 255, 255, 0.2);
  text-transform: uppercase;
}

/* ---------- Animations ---------- */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInScale {
  from {
    opacity: 0;
    transform: scale(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* ---------- Responsive ---------- */
@media (max-width: 640px) {
  .page-wrapper {
    padding: var(--space-lg) 0;
  }

  .form-card {
    padding: var(--space-md);
    border-radius: 12px;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .brand-name {
    letter-spacing: 0.12em;
  }

  .sparkle-1,
  .sparkle-3,
  .sparkle-4 {
    display: none;
  }
}

@media (max-width: 380px) {
  .container {
    padding: 0 var(--space-sm);
  }

  .event-title {
    font-size: 1rem;
  }
}

/* ---------- Admin Page Styles ---------- */
.admin-wrapper {
  padding: var(--space-lg) var(--space-md);
  max-width: 900px;
  margin: 0 auto;
}

.admin-header {
  text-align: center;
  margin-bottom: var(--space-xl);
}

.admin-title {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  color: var(--cream);
  text-transform: uppercase;
}

.admin-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
}

.stat-card {
  background: rgba(62, 22, 26, 0.2);
  border: 1px solid rgba(228, 157, 191, 0.1);
  border-radius: 12px;
  padding: var(--space-md);
  text-align: center;
}

.stat-value {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 600;
  color: var(--rosa);
}

.stat-label {
  font-family: var(--font-body);
  font-size: 0.7rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--white-alpha-60);
  margin-top: 0.3rem;
}

.admin-table-wrap {
  overflow-x: auto;
  border-radius: 12px;
  border: 1px solid rgba(228, 157, 191, 0.1);
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-body);
  font-size: 0.85rem;
}

.admin-table th {
  background: rgba(62, 22, 26, 0.3);
  padding: 0.8rem 1rem;
  text-align: left;
  font-weight: 500;
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--rosa);
  border-bottom: 1px solid rgba(228, 157, 191, 0.1);
}

.admin-table td {
  padding: 0.7rem 1rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  color: var(--cream);
  font-weight: 300;
}

.admin-table tr:last-child td {
  border-bottom: none;
}

.admin-table tr:hover td {
  background: rgba(228, 157, 191, 0.04);
}

.btn-export {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.7rem 1.5rem;
  background: var(--rosso);
  border: 1px solid rgba(228, 157, 191, 0.2);
  border-radius: 8px;
  color: var(--cream);
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all var(--transition-fast);
  margin-top: var(--space-md);
}

.btn-export:hover {
  border-color: var(--rosa);
  transform: translateY(-1px);
  box-shadow: 0 4px 15px rgba(62, 22, 26, 0.4);
}

.admin-empty {
  text-align: center;
  padding: var(--space-xl);
  color: var(--white-alpha-60);
  font-weight: 300;
  font-size: 0.9rem;
}